-17.36% is the change from 484 to 400
Calculation steps:
[( 400 - 484 ) ÷ 484] x 100 = -17.36%
Formula
Percentage change = [(400 - 484) / 484] x 100
Subtract the new number by the original number
400 - 484 = -84
-84 ÷ 484 = -0.17355371900826447
-0.17355371900826447 x 100 = -17.36%